Features:
Safe; Ultrasound dosage is under 50% of the standard.
Portable:Light Weight, handset, portable.
LCD display, large display with blue backlight.
Loudspeaker; built-in loud speaker&clearly.
Support 2.5Mhz waterproof probe.
Accurate FHR detection with clear sound.
Sensitivity: Monitor 12 week or above unborn baby's blood wall pulsate.
Specification
Ultrasound Frequency:2.5+/-0.25MHz.
Ultrasonic intensity:<10mW/cm.
Power supply: built-in 9.6V nickel-hydrogen rechargeable battery.
Continuous working time:>6hours.
Working Temperature: 10℃-40℃.
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